Think Tank — also known as Think Tank with Ben Wattenberg — was a discussion program that aired on Public Broadcasting Service, hosted by Ben Wattenberg. Andrew Walworth was co-creator and executive producer. The program was a co-production of New River Media and BJW Inc. In addition to its weekly half-hour broadcast, Think Tank produced a number of special editions, including The First Measured Century, a three-hour documentary series and Heaven On Earth: The Rise and Fall of Socialism, a three-hour documentary series on the history of socialism, based on the book of the same title by Joshua Muravchik. The series aired from 1994 to 2010.